There are plenty of imitators, but only one company can claim the title of inventor of the reusable cotton gauze air filter-K&N. K&N is continually engineering new air intake systems to unlock your motor's hidden horsepower and mileage.

Drop in the intake kit that features the biggest possible air filter for your vehicle—the K&N 63 Series AirCharger High-Flow Intake Kit. Uses crosslink nylon tubes that keep air cooler than metal. The 63 Series K&N cold air intake carries a 10-year/1,000,000-mile warranty.

Experience massive gains in power and performance with the K&N FIPK Air Intake. Custom engineered for your year, make and model, this K&N intake uses crosslink nylon tubing and the famous K&N Filtercharger air filter. 10-year/1,000,000-mile warranty.

Add serious driving power to your truck or SUV with the K&N 77 Series Air Intake Kit. This K&N intake employs a custom heat shield to keep air cooler. Includes hardware, detailed instructions and a K&N Filterchager air filter. Polished or gunmetal gray. 10-year/1,000,000-mile warranty.

K&N Air Filters are custom designed for you specific year, make and model, giving you better performance than stock filters. K&N filters never need replacing and even improve your fuel economy. 10-year/1,000,000-mile warranty.

Emblazoned with the K&N logo, K&N Custom Air Filter Assemblies are the best way to dress up your carbureted engine. Blending style and performance, these K&N filters come in a wide range of diameters, heights and neck flanges. 10-year/1,000,000-mile warranty.

Never replace your air filter again when you drop in a K&N Universal Round Air Filter. This reusable K&N air filter is the easiest way to boost your car’s performance. Available in a wide range of sizes. 10-year/1,000,000-mile warranty.

Maximize your airflow to gain unreal power with K&N XStream Round Air Filters. K&N filters are universally sized to replace the top of most air filter assemblies on caburated engines. Available with a red, blue or chrome ring. 10-year/1,000,000-mile warranty.